Q. No.Identify the wrong statement with a reference to immunity.
1.
When ready-made antibodies are directly given, it is called “Passive immunity".
2.
Active immunity is quick and gives a full response.
3.
Foetus receives some antibodies from the mother, it is an example of passive immunity
4.
When exposed to antigen(living or dead) antibodies are produced in the host's body. It is called "Active immunity
Match the following diseases with the causative organism and select the correct option.
| Column-I | Column-II | ||
| (a) | Typhoid | (i) | Wuchereria |
| (b) | Pneumonia | (ii) | Plasmodium |
| (c) | Filariasis | (iii) | Salmonella |
| (d) | Malaria | (iv) | Haemophilus |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (ii) | (i) | (iii) | (iv) |
| 3. | (iv) | (i) | (ii) | (iii) |
| 4. | (i) | (iii) | (ii) | (iv) |
The infectious stage of plasmodium that enters the human body is:
1. Sporozoites
2. Female gametocytes
3. Male gametocytes
4. Trophozoites
Match the following columns and select the correct option:
| Column I | Column II | ||
| (i) | Typhoid | (a) | Haemophilus influenzae |
| (ii) | Malaria | (b) | Wuchereria bancrofti |
| (iii) | Pneumonia | (c) | Plasmodium vivax |
| (iv) | Filariasis | (d) | Salmonella typhi |
| Options: | (i) | (ii) | (iii) | (iv) |
| 1. | (d) | (c) | (a) | (b) |
| 2. | (c) | (d) | (b) | (a) |
| 3. | (a) | (c) | (b) | (d) |
| 4. | (a) | (b) | (d) | (c) |
The yellowish fluid "colostrum" secreted by mammary glands of the mother during the initial days of lactation has abundant antibodies (IgA) to protect the infant. This type of immunity is called as:
| 1. | Passive immunity | 2. | Active immunity |
| 3. | Acquired immunity | 4. | Autoimmunity |
Coca alkaloid or cocaine is obtained from:
| 1. | Papaver somniferum | 2. | Atropa belladonna |
| 3. | Erythroxylum coca | 4. | Datura |
Humans have acquired an immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it:
| 1. | is very specific and uses different macrophages |
| 2. | produces memory cells for mounting a fast secondary response |
| 3. | has natural killer cells that can phagocytose and destroy microbes |
| 4. | provides passive immunity |
Damage to thymus in a child may lead to:
1. A reduction in haemoglobin content of blood
2. A reduction in stem cell production
3. Loss of antibody-mediated immunity
4. Loss of cell-mediated immunity
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